Madhubun Information Technology for Class 9 (Subject Code: 402) is a comprehensive textbook designed to build foundational IT skills aligned with school curriculum standards. This edition covers essential topics in computer fundamentals, software applications, networking basics, and digital literacy. Ideal for students seeking structured learning and exam preparation, the book combines theory with practical examples to enhance understanding. Perfect for classroom use or self-study, it serves as a reliable reference for IT coursework throughout the academic year.